US505852A - Metallic ceiling-plate - Google Patents

Metallic ceiling-plate Download PDF

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US505852A
US505852A US505852DA US505852A US 505852 A US505852 A US 505852A US 505852D A US505852D A US 505852DA US 505852 A US505852 A US 505852A
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plate
flanges
ceiling
corner
metallic
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04DROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D3/00Roof covering by making use of flat or curved slabs or stiff sheets
    • E04D3/36Connecting; Fastening
    • E04D3/365Connecting; Fastening by simple overlapping of the marginal portions with use of separate connecting elements, e.g. hooks or bolts for corrugated sheets

Description

(No Model.)
L. L. SAGENDORPH. METALLIC CEILING. PLATE.
No. 505,852. Patented Oct. 3,1893.
NITED STATES LONGLEY LEWIS SAGENDORPII, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR OF ONEHALE TO CHARLES N. HARDER, or PHILMONT,
NEW YORK.
METALLIC CEILING-PLATE.
SPECIFICATION forming part of Letters Patent No. 505,852, dated October 3, 1893.
Application filed June 5, 1893. SerialNo- 476,599. (No model.)
.To all whom it may concern.-
Be it known that I, LONGLEY LEWIs SA- GENDORPH, a citizen of the United States, residing in the city and county of Philadelphia, State of Pennsylvania, have invented certain new and useful Improvements in Metallic Ceiling-Plates, of which the following is a specification, reference being had to the accompanying drawings.
The object and nature of my invention will be apparentfrom the description hereinafter contained and as pointed out in the claims.
In the drawings accompanying this specification: Figure 1, is a plan View taken at the corners or intersection of four ceiling plates embodying my invention, and Fig. 2, is asection on dotted line 2, 2 of Fig. 1. Fig. 3, is an enlarged view of one corner of the plate. Fig. 4, is a plan view of one ceiling plate, partially broken away, and embodying myinvention.
My invention is more especially designed for use in connection with metallic ceiling plates having a plain or embossed face with a marginal molding, a, which latter terminates in the side and end flanges, b, which latter, on one plate are adapted to overlap corresponding flanges on adjacent plates when the latter are placed to position on the ceiling, as shown in Figs. 1 and 2. The molding on each plate is preferably formed continuous around the sides and ends thereof, but may be otherwise suitably formed, as my present invention relates to the formation of the corners of the plate.
In stamping a ceiling plate to form a raised molding with marginal flanges, it has been customary, heretofore, to cut away the metal at the corners of the plates, to prevent buckling the metal at those points, and afterward to cover said cut-away portions witha suitable rosette; but, this feature of cutting away the metal at the corners, has been found to be objectionable, especially when it is desired to render the ceiling dust-proof.
My invention consists in forming across the face of each side and end flange, b, near the corners of the. plate, a groove, 19 which latter is preferably on a line with the outer edge of the molding, a, as more clearly shown in Fig. 3. By forming the grooves 11 in each side and end flange, to a depth equal to the depth of said flanges, I am enabled to take up the surplus metal at the corners of the plate andform a rectangular raised cap, B, at each corner,the. cap at one corner overlapping a corresponding cap on the corner of an ad acent plate, as shown. By this formation of the ceiling plate, the ceiling composed of said plates is rendered dust-proof, and no rosettes need be used, as the corner caps, B, (if desired) may be embossed in any desired configuration for ornamentation.
The formation of the integral corner caps, B, in the manner aforestated, has a tendency to strengthen the plate and add to its rigidity over the method heretofore employed of cutting away the corner metal. The overlapping portion 01 of each cap, B, rest within the grooves b atthe sides of the underlying cap, in which position the edge of the metal is hid from View producing a symmetrical joint.
What I claim as new, and desire to secure by Letters Patent, is
l. A metallic ceiling plate having raised side and end flanges, b, with grooves b formed therein at their intersecting points, substantially as set forth.
2. A metallic ceiling plate having raised side and end flanges, b, and corner caps, B, the latter being separated from said flanges by grooves 19 as set forth.
3. A metallic ceiling plate having a raised molding, a, terminating in side and end flanges, b, and corner caps, B, with grooves b between said caps and flanges and on a line with the intersection of said molding and flanges, as set forth.
4. A metallic ceiling plate having a continuous raised molding a terminating in side and end flanges b, said plate having the raised corner caps, B, the latter being separated from said flanges by grooves b substantially as set forth.
5. A metallic ceiling composed of separable plates, each plate having the raised interlocking flanges b and corner caps, B, integral with said plates, the flanges and caps of one plate overlapping the flanges and caps of the adjacent plate, said plates being secured to place by means of suitable nails passed through said overlapping caps, as set forth.
LONGLEY LEWIS SAGENDORPH.
Witnesses:
WM. R. AUBREY, SAMUEL D. HAGNER.
US505852D Metallic ceiling-plate Expired - Lifetime US505852A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649172A (en) * 1947-06-02 1953-08-18 Architectural Porcelain Constr Architectural panel
US2737267A (en) * 1951-04-11 1956-03-06 Int Steel Co Building construction

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2649172A (en) * 1947-06-02 1953-08-18 Architectural Porcelain Constr Architectural panel
US2737267A (en) * 1951-04-11 1956-03-06 Int Steel Co Building construction

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